#version 330 core
        
in vec2 tex_coord0;
in vec2 tex_coord1;
        
layout(location = 0) out vec4 color;
        
uniform sampler2D tex1;
uniform sampler2D tex2;
        
void main(void)
{
    color = texture(tex1, tex_coord0) + texture(tex2, tex_coord1);
//    color = mix(texture(tex1, tex_coord0), texture(tex2, tex_coord1), ?);
}